The Guardian view on Iran sanctions: not upholding the rules, but overturning them,

Current US policy has the clear goal of regime change. Europe must stand firm. […]

Tellingly, the administration has shifted its rhetorical justification to a laundry list of more general foreign policy demands which it knows Tehran will not and cannot agree to, however desirable some of those measures might be. Its stated aim of a better treaty does not deserve to be taken seriously. Lord Lamont, the UK’s trade envoy to Iran, says bluntly that the sanctions are aimed at regime change, whatever the US denials. Läs artikel